XML 149 R133.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Market Risk Benefits - Unobservable Inputs for Fair Value Measurement (Details) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Retirement and Income Solutions | Individual variable annuities | Minimum | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.0478 | 0.04
Retirement and Income Solutions | Individual variable annuities | Minimum | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.181 | 0.18
Retirement and Income Solutions | Individual variable annuities | Minimum | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.004 | 0.008
Retirement and Income Solutions | Individual variable annuities | Minimum | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.009 | 0.011
Retirement and Income Solutions | Individual variable annuities | Maximum | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.0485 | 0.042
Retirement and Income Solutions | Individual variable annuities | Maximum | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.3553 | 0.33
Retirement and Income Solutions | Individual variable annuities | Maximum | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.011 | 0.016
Retirement and Income Solutions | Individual variable annuities | Maximum | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.55 | 0.55
Retirement and Income Solutions | Individual variable annuities | Weighted average input | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.0481 | 0.041
Retirement and Income Solutions | Individual variable annuities | Weighted average input | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.2176 | 0.22
Retirement and Income Solutions | Individual variable annuities | Weighted average input | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.0089 | 0.013
Retirement and Income Solutions | Individual variable annuities | Weighted average input | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input | 0.0579 | 0.059
Principal Asset Management | International Pension | Guaranteed pension | Asia | Minimum | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.0454
Principal Asset Management | International Pension | Guaranteed pension | Asia | Minimum | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.1639
Principal Asset Management | International Pension | Guaranteed pension | Asia | Minimum | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.009
Principal Asset Management | International Pension | Guaranteed pension | Asia | Minimum | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.0495
Principal Asset Management | International Pension | Guaranteed pension | Asia | Maximum | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.047
Principal Asset Management | International Pension | Guaranteed pension | Asia | Maximum | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.2375
Principal Asset Management | International Pension | Guaranteed pension | Asia | Maximum | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.0177
Principal Asset Management | International Pension | Guaranteed pension | Asia | Maximum | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.1935
Principal Asset Management | International Pension | Guaranteed pension | Asia | Weighted average input | Long-term interest rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.0461
Principal Asset Management | International Pension | Guaranteed pension | Asia | Weighted average input | Long-term equity market volatility |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.1964
Principal Asset Management | International Pension | Guaranteed pension | Asia | Weighted average input | Nonperformance risk |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.0151
Principal Asset Management | International Pension | Guaranteed pension | Asia | Weighted average input | Lapse rate |  |
Unobservable Inputs for Fair Value Measurement |  |
Market risk benefits, measurement input |  | 0.168

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of measurement input used to measure contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_MarketRiskBenefitMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pfg_SegmentRetirementAndIncomeSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_VariableAnnuityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=pfg_MeasurementInputLongDurationInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=pfg_MeasurementInputNonPerformanceRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputLapseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=pfg_SegmentPrincipalAssetManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsegmentsAxis=pfg_SubsegmentInternationalPensionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=pfg_GuaranteedPensionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=srt_AsiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |